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Assignee: Astra Pharmaceutical Products, Inc.


Location: Worcester, MA
No. of patents: 12

NumberTitleIssue Date
4237068Primary aminoacylanilides
Primary amino acylanilides of the formula ##STR1## wherein R1 is selected from the group consisting of hydrogen, methyl, ethyl and propyl, R2 is selected from the group consisting of methyl, ethyl, chlorine, methoxy and ethoxy, ...
12/02/1980
4218477Primary aminoacylanilides, methods of making the same and use as antiarrhythmic drugs
Primary amino acylanilides of the formula ##STR1## wherein R1 is selected from the group consisting of hydrogen, methyl, ethyl and propyl, R2 is selected from the group consisting of methyl, ethyl, chlorine, methoxy and ethoxy, ...
08/19/1980
4053603Benzylisoquinoline derivatives, and use as anti-arrhythmic drugs
Compounds of the class of benzylisoquinoline derivatives of the formula ##STR1## wherein R1 is selected from the group consisting of hydrogen and methyl, and R2 is selected from the group consisting of methyl, ethyl, n-propyl an...
10/11/1977
4029793Synergistic local anesthetic compositions
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound ...
06/14/1977
4029794Pharmaceutical local anesthetic composition
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking pro...
06/14/1977
4022899Synergistic local anesthetic compositions
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound ...
05/10/1977
4001413Pharmaceutical local anesthetic composition employing saxitoxin
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking pro...
01/04/1977
3988473Tertiary-alkylamino-lower acyl-xylidide local anaesthetics
Tertiary-alkylamino-lower acyl-xylidides have unusually long lasting local anaesthetic effect or high local anaesthetic activity while also having a satisfactory low level of tissue irritation and a satisfactory low acute toxicity. Combinations of such lo...
10/26/1976
3966934Synergistic local anesthetic compositions
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound ...
06/29/1976
3957996Pharmaceutical local anesthetic compositions
A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking pro...
05/18/1976
3939833Piston construction for syringes
A cartridge for a prefilled hypodermic syringe of the type sealed at its forward end with a destructible diaphragm is provided with a piston-piston rod assembly in which the piston of resilient material is molded in the form of a hollow cylinder and has a...
02/24/1976
3938518Syringe attachment device
The attachment unit for a spike equipped syringe is composed of first and second tubular portions connected together at their inner ends and extending from such connection in axially aligned relation. The bore of the first tubular portion has at its outer...
02/17/1976
 
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